Bump cryptography from 42.0.5 to 42.0.6 in /python (#432)

Bumps [cryptography](https://github.com/pyca/cryptography) from 42.0.5 to 42.0.6.
- [Changelog](https://github.com/pyca/cryptography/blob/main/CHANGELOG.rst)
- [Commits](pyca/cryptography@42.0.5...42.0.6)

---
updated-dependencies:
- dependency-name: cryptography
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

python/requirements.txt

@@ -18,7 +18,7 @@ cffi==1.16.0
     # via cryptography
 charset-normalizer==3.3.2
     # via requests
-cryptography==42.0.5
+cryptography==42.0.6
     # via nitor-vault (setup.py)
 future==1.0.0
     # via nitor-vault (setup.py)